Sentient levels - the goal is to prevail over
active motes of various types that hunt and absorb other motes,
including the player

Ambient levels - the player's mote typically
floats in a large area surrounded by inactive motes, and must become
the largest or simply very large

Force levels - special motes (Attractors)
influence other motes with a force similar to gravitation. The player
has to
take into account orbital physics when planning
movement in order to save mass when changing course